Manquen Vance Email Breach Impacts 7,018 Patients

HIPAA Journal

Steve Alder

The Michigan-based group health plan broker and consultancy firm Manquen Vance – formerly Cornerstone Municipal Advisory Group – is alerting 7,018 individuals about a potential breach of their personal and health information.

An investigation was launched on November 16, 2020 when the firm identified suspicious activity in the email account of an employee. Manquen Vance determined that the account was accessed by unauthorized individuals between November 1 and 16. No other email accounts were compromised.

While it is possible that emails and attachments containing sensitive information were viewed or copied, no specific evidence was found to suggest that was the case. The delay in issuing notifications was due to the time-consuming process of checking every email in the account for sensitive information. That process was completed on February 2, 2021 and confirmed that members’ names, health insurance information, and Social Security numbers had potentially been compromised. Manquen Vance has...

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